CH205239A - Sound pickup device. - Google Patents

Sound pickup device.

Info

Publication number
CH205239A
CH205239A CH205239DA CH205239A CH 205239 A CH205239 A CH 205239A CH 205239D A CH205239D A CH 205239DA CH 205239 A CH205239 A CH 205239A
Authority
CH
Switzerland
Prior art keywords
pickup device
sound pickup
sound
pickup
Prior art date
Application number
Other languages
German (de)
Inventor
America Radio Corporation Of
Original Assignee
Rca Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rca Corp filed Critical Rca Corp
Publication of CH205239A publication Critical patent/CH205239A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
CH205239D 1937-05-29 1938-05-27 Sound pickup device. CH205239A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US145455A US2173219A (en) 1937-05-29 1937-05-29 Electroacoustical apparatus

Publications (1)

Publication Number Publication Date
CH205239A true CH205239A (en) 1939-06-15

Family

ID=22513199

Family Applications (1)

Application Number Title Priority Date Filing Date
CH205239D CH205239A (en) 1937-05-29 1938-05-27 Sound pickup device.

Country Status (2)

Country Link
US (1) US2173219A (en)
CH (1) CH205239A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1139152B (en) * 1960-05-12 1962-11-08 Inst Schwingungsforschung Directional microphone with electrically rotatable directional characteristic

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2498772A (en) * 1941-05-15 1950-02-28 Bendix Aviat Corp Aerial torpedo
US2987700A (en) * 1943-09-02 1961-06-06 John N A Hawkins Differentially sensitive sonic detector
US2529658A (en) * 1944-01-31 1950-11-14 Brush Dev Co Transducer and system
US2965879A (en) * 1946-02-05 1960-12-20 Lippel Bernard Sound locating means
US2539671A (en) * 1946-02-28 1951-01-30 Rca Corp Directional microphone
US2810786A (en) * 1950-06-12 1957-10-22 Siemens Ag Directional microphone system
US2896189A (en) * 1952-02-08 1959-07-21 Electro Voice Higher order pressure gradient microphone system having adjustable polar response pattern
AT226290B (en) * 1961-06-19 1963-03-11 Akg Akustische Kino Geraete Sound receiver with preferably one-sided, optionally adjustable directional characteristic, containing one or more transducer systems working according to the electrostatic principle
US6434252B1 (en) * 1999-09-20 2002-08-13 Royer Labs Ribbon microphone
EP1813132B1 (en) * 2004-10-21 2019-08-14 Shure Incorporated Acoustic ribbon transducer arrangements

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1139152B (en) * 1960-05-12 1962-11-08 Inst Schwingungsforschung Directional microphone with electrically rotatable directional characteristic

Also Published As

Publication number Publication date
US2173219A (en) 1939-09-19

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